Habit: herb, vine
Important diagnostics: scale-like leaves, with gynostemium, with rostellum
Hairs: glandular
Root: aerial
Stem: rhizome, tuberous, corm
Leaf: position: alternate
Flowers: perianth number: 6
Flowers: petal nature: spurred
Stamen: other characters: pollen coherent into pollinia
Pistil: ovary: 1-loculed
Pistil: ovule: 2 per locule, 3 per locule, 4+ per locule
Pistil: pistil: ovules parietal placentation, ovules axillary placentation
Ovary: position: inferior
Fruit: types and characters: a capsule (incl. pod, follicle, etc.)
Fruit: seed: winged
Seed: endosperm: seeds without endosperm
Google Image Search: Link
Dictionary of The Families & Genera of Chinese Seed Plants: Link
Vascular Plant Type Catalog at NYBG: Link